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Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen
Advisory ansehen veröffentlicht 2026-02-24
Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, sich erhöhte Rechte zu verschaffen, einen Denial-of-Service-Zustand herbeizuführen, sensible Informationen offenzulegen, Spoofing-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen oder andere nicht spezifizierte Angriffe durchzuführen.
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beschreibt (52)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-2807US | critical9.8 | — | ||
Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could ha… | ||||
| CVE-2026-2806US | critical9.1 | — | ||
Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2805US | critical9.8 | — | ||
Invalid pointer in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2804US | — | — | ||
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2803US | high7.5 | — | ||
Information disclosure, mitigation bypass in the Settings UI component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2802US | — | — | ||
Race condition in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2801US | high7.5 | — | ||
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2800US | critical9.8 | — | ||
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2799US | critical9.8 | — | ||
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2798US | — | — | ||
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2797US | critical9.8 | — | ||
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2796US | critical9.8 | Exploit | ||
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2795US | critical9.8 | — | ||
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148. | ||||
| CVE-2026-2794US | high7.5 | — | ||
Information disclosure due to uninitialized memory in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 148. | ||||
| CVE-2026-2793US | critical9.8 | — | ||
Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption… | ||||
| CVE-2026-2792US | critical9.8 | — | ||
Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that… | ||||
| CVE-2026-2791US | critical9.8OT erhöht | — | ||
Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2790US | critical9.8 | — | ||
Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2789US | critical9.8 | — | ||
Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8. | ||||
| CVE-2026-2788US | critical9.8 | — | ||
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbir… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- Oracle Linux Security Advisory ELSA-2026-3338 vom 2026-02-27external
- Oracle Linux Security Advisory ELSA-2026-3339 vom 2026-02-27external
- Red Hat Security Advisory RHSA-2026:3338 vom 2026-02-25external
- Red Hat Security Advisory RHSA-2026:3339 vom 2026-02-25external
- Red Hat Security Advisory RHSA-2026:3361 vom 2026-02-25external
- Red Hat Security Advisory RHSA-2026:3491 vom 2026-03-02external
- Red Hat Security Advisory RHSA-2026:3492 vom 2026-03-02external
- Red Hat Security Advisory RHSA-2026:3493 vom 2026-03-02external
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